426590280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20828

約数の個数: 128

約数和(自身を含む): 1496880000

約数和(自身を除く): 1070289720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 20789, 41578, 62367, 83156, 103945, 124734, 166312, 187101, 207890, 249468, 311835, 374202, 394991, 415780, 498936, 561303, 623670, 748404, 789982, 831560, 935505, 1122606, 1184973, 1247340, 1496808, 1579964, 1871010, 1974955, 2245212, 2369946, 2494680, 2806515, 3159928, 3554919, 3742020, 3949910, 4490424, 4739892, 5613030, 5924865, 7109838, 7484040, 7899820, 9479784, 10664757, 11226060, 11849730, 14219676, 15799640, 17774595, 21329514, 22452120, 23699460, 28439352, 35549190, 42659028, 47398920, 53323785, 71098380, 85318056, 106647570, 142196760, 213295140, 426590280]

約数ペア:

[(1, 426590280), (2, 213295140), (3, 142196760), (4, 106647570), (5, 85318056), (6, 71098380), (8, 53323785), (9, 47398920), (10, 42659028), (12, 35549190), (15, 28439352), (18, 23699460), (19, 22452120), (20, 21329514), (24, 17774595), (27, 15799640), (30, 14219676), (36, 11849730), (38, 11226060), (40, 10664757), (45, 9479784), (54, 7899820), (57, 7484040), (60, 7109838), (72, 5924865), (76, 5613030), (90, 4739892), (95, 4490424), (108, 3949910), (114, 3742020), (120, 3554919), (135, 3159928), (152, 2806515), (171, 2494680), (180, 2369946), (190, 2245212), (216, 1974955), (228, 1871010), (270, 1579964), (285, 1496808), (342, 1247340), (360, 1184973), (380, 1122606), (456, 935505), (513, 831560), (540, 789982), (570, 748404), (684, 623670), (760, 561303), (855, 498936), (1026, 415780), (1080, 394991), (1140, 374202), (1368, 311835), (1710, 249468), (2052, 207890), (2280, 187101), (2565, 166312), (3420, 124734), (4104, 103945), (5130, 83156), (6840, 62367), (10260, 41578), (20520, 20789)]